const fetchReducer =(state = {},action={})=>{
    const {type,payload} = action;
    switch(type){
    case "FETCH_DATA_START":
        return Object.assign({},state,{status:'数据请求中...'});
    case "FETCH_DATA_FINISH":
        return Object.assign({},state,{status:'数据请求完成',list:payload});
    default:
        return state;
    }
}
export default fetchReducer;